package com.foreknow.service;

import com.foreknow.bean.Guestbook;

import java.util.List;

public interface GuestbookService {
    /**
     * 查询所有留言信息
     * @return
     */
    public List<Object> queryInfo();

    public Guestbook add( Guestbook guestbook );
    public boolean delete(Integer id);
}
